20211076851

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31046201}}^1$

素因数の和:31046242

約数の個数: 16

約数和(自身を含む): 31791310848

約数和(自身を除く): 11580233997

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31046201, 93138603, 217323407, 651970221, 962432231, 2887296693, 6737025617, 20211076851]

約数ペア:

[(1, 20211076851), (3, 6737025617), (7, 2887296693), (21, 962432231), (31, 651970221), (93, 217323407), (217, 93138603), (651, 31046201)]